<template>
  <a-layout>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <a-table
          :columns="columns"
          :row-key="record => record.id"
          :data-source="ebooks"
          :pagination="pagination"
          :loading="loading"
          @change="handleTableChange"
      >
        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" />
        </template>
        <template v-slot:category="{ text, record }">
          <span>{{ getCategoryName(record.category1Id) }} / {{ getCategoryName(record.category2Id) }}</span>
        </template>
        <template v-slot:action="{ text, record }">
          <a-space size="small">
            <router-link :to="'/admin/doc?ebookId=' + record.id">
              <a-button type="primary">
                文档管理
              </a-button>
            </router-link>
            <a-button type="primary" @click="edit(record)">
              编辑
            </a-button>
            <a-popconfirm
                title="删除后不可恢复，确认删除?"
                ok-text="是"
                cancel-text="否"
                @confirm="handleDelete(record.id)"
            >
              <a-button type="danger">
                删除
              </a-button>
            </a-popconfirm>
          </a-space>
        </template>
      </a-table>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';

export default defineComponent({
  name: 'AdminEbook',
  setup() {
    const param = ref();
    param.value = {};
    const ebooks = ref();
    const pagination = ref({
      current: 1,
      pageSize: 10,
      total: 0
    });
    const loading = ref(false);

    const columns = [
      {
        title: '封面',
        dataIndex: 'cover',
        slots: { customRender: 'cover' }
      },
      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '分类',
        slots: { customRender: 'category' }
      },
      {
        title: '文档数',
        dataIndex: 'docCount'
      },
      {
        title: '阅读数',
        dataIndex: 'viewCount'
      },
      {
        title: '点赞数',
        dataIndex: 'voteCount'
      },
      {
        title: 'Action',
        key: 'action',
        slots: { customRender: 'action' }
      }
    ];

    /**
     * 数据查询
     **/
    const handleQuery = (params: any) => {
      loading.value = true;
      // 如果不清空现有数据，则编辑保存重新加载数据后，再点编辑，则列表显示的还是编辑前的数据
      // ebooks.value = [];
      axios.get("/ebook/list", {
        params: {
          page: params.page,
          size: params.size,
          name: param.value.name
        }
      }).then((response) => {
        loading.value = false;
        const data = response.data;
        if (data.success) {
          ebooks.value = data.content.list;

          // 重置分页按钮
          pagination.value.current = params.page;
          pagination.value.total = data.content.total;
        } else {
          message.error(data.message);
        }
      });
    };

    /**
     * 表格点击页码时触发
     */
    const handleTableChange = (pagination: any) => {
      console.log("看看自带的分页参数都有啥：" + pagination);
      handleQuery({
        page: pagination.current,
        size: pagination.pageSize
      });
    };

    // -------- 表单 ---------
    /**
     * 数组，[100, 101]对应：前端开发 / Vue
     */
    const categoryIds = ref();
    const ebook = ref();
    const modalVisible = ref(false);
    const modalLoading = ref(false);
    const handleModalOk = () => {
      modalLoading.value = true;
      ebook.value.category1Id = categoryIds.value[0];
      ebook.value.category2Id = categoryIds.value[1];
      axios.post("/ebook/save", ebook.value).then((response) => {
        modalLoading.value = false;
        const data = response.data; // data = commonResp
        if (data.success) {
          modalVisible.value = false;

          // 重新加载列表
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize,
          });
        } else {
          message.error(data.message);
        }
      });
    };

    // /**
    //  * 编辑
    //  */
    // const edit = (record: any) => {
    //   modalVisible.value = true;
    //   ebook.value = Tool.copy(record);
    //   categoryIds.value = [ebook.value.category1Id, ebook.value.category2Id]
    // };

    // /**
    //  * 新增
    //  */
    // const add = () => {
    //   modalVisible.value = true;
    //   ebook.value = {};
    // };
    //
    // const handleDelete = (id: number) => {
    //   axios.delete("/ebook/delete/" + id).then((response) => {
    //     const data = response.data; // data = commonResp
    //     if (data.success) {
    //       // 重新加载列表
    //       handleQuery({
    //         page: pagination.value.current,
    //         size: pagination.value.pageSize,
    //       });
    //     } else {
    //       message.error(data.message);
    //     }
    //   });
    // };

    // const level1 =  ref();
    // let categorys: any;
    // /**
    //  * 查询所有分类
    //  **/
    // const handleQueryCategory = () => {
    //   loading.value = true;
    //   axios.get("/category/all").then((response) => {
    //     loading.value = false;
    //     const data = response.data;
    //     if (data.success) {
    //       categorys = data.content;
    //       console.log("原始数组：", categorys);
    //
    //       level1.value = [];
    //       level1.value = Tool.array2Tree(categorys, 0);
    //       console.log("树形结构：", level1.value);
    //
    //       // 加载完分类后，再加载电子书，否则如果分类树加载很慢，则电子书渲染会报错
    //       handleQuery({
    //         page: 1,
    //         size: pagination.value.pageSize,
    //       });
    //     } else {
    //       message.error(data.message);
    //     }
    //   });
    // };
    // onMounted(() => {
    //   handleQueryCategory();
    // });
    //
    // return {
    //   param,
    //   ebooks,
    //   pagination,
    //   columns,
    //   loading,
    //   handleTableChange,
    //   handleQuery,
    //
    //   edit,
    //   add,
    //
    //   ebook,
    //   modalVisible,
    //   modalLoading,
    //   handleModalOk,
    //   categoryIds,
    //   level1,
    //
    //   handleDelete
    // }
  }
});
</script>

<style scoped>
img {
  width: 50px;
  height: 50px;
}
</style>